/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.extensions.sql.impl.planner;



import org.apache.calcite.rel.type.RelDataTypeSystem;

import org.apache.calcite.rel.type.RelDataTypeSystemImpl;



/** customized data type in Unified. */

public class UnifiedRelDataTypeSystem extends RelDataTypeSystemImpl {

  public static final RelDataTypeSystem INSTANCE = new UnifiedRelDataTypeSystem();



  private UnifiedRelDataTypeSystem() {}



  @Override

  public int getMaxNumericScale() {

    return 38;

  }



  @Override

  public int getMaxNumericPrecision() {

    return 38;

  }



  /* operators that change string length should return varchar. */

  @Override

  public boolean shouldConvertRaggedUnionTypesToVarying() {

    return true;

  }

}